Optocouplers / Photocouplers

Optocouplers are a type of isolator that use a low-power optical signal to transmit one signal from one circuit to another independent circuit. Optocouplers are comprised of an infrared LED light source and an integrated photo detector which usually consists of a photodiode and detector circuit. This optical link or coupling provides electrical isolation between the two circuits which makes the trouble shooting and reliability of circuits more straightforward. These devices are often used to provide electrical isolation between digital signals on the same board, but they are also commonly used in medical and industrial instruments, motor control systems, and signal conditioning circuits. Optocouplers have very high input-to-output isolation voltage and low capacitance, which makes them suitable for signal transmission in high speed applications. Additionally, they manage the call back current of the circuit they are connecting, allowing them to protect against overloads.
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HMHA281R2


Transistor Output Optocouplers Optocoupler Phototransistor
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ON Semiconductor 50925
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AUD 0.2968
Multiples of: 2500

TLP185(GB-TPR,SE(T


Transistor Output Optocouplers
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Toshiba 18546
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AUD 0.3238
Multiples of: 5

LTV-3120S-TA1


Logic Output Opto-couplers 2.5AIGBT Gate Drive 8Pin SMT Optocoupler
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Lite-On 6258
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AUD 0.5323
Multiples of: 1

UPC817CG-D04-T


Optocouplers DIP-4 RoHS
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Unisonic 1348
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AUD 0.0689
Multiples of: 10

Hot VOM3053-X001T


Triac & SCR Output Optocouplers Phototriac, NZC 5mA,1.5K dV/dt VDE
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Vishay 1293
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AUD 0.7684
Multiples of: 1

CNY171SVM


Fairchild Semiconductor Transistor Output Optocouplers Optocoupler Hi Bvceo Phototransistor
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ON Semiconductor 1293
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AUD 0.2972
Multiples of: 1

TLP383(D4YH-TL,E


Transistor Output Optocouplers Photocoupler 80V .05A 5000Vrms
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Toshiba 1290
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AUD 0.2835
Multiples of: 5

IS357C


Optocouplers SMD RoHS
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Isocom 1288
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AUD 0.2507
Multiples of: 1

TLP785(Y.F(C


Transistor Output Optocouplers
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Toshiba 1280
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AUD 0.326
Multiples of: 1

H11L1M


Logic Output Optocouplers Optocouplers
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Everlight 1052
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AUD 0.6499
Multiples of: 1

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